NASDAQ: REGN
Regeneron Pharmaceuticals Inc Stock Ownership - Who owns Regeneron Pharmaceuticals?

Insider buying vs selling

Have Regeneron Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Arthur F. RyanDirector2026-05-0115$704.28
$10.56kSell
Arthur F. RyanDirector2026-05-0114$705.56
$9.88kSell
Arthur F. RyanDirector2026-05-017$706.74
$4.95kSell
Arthur F. RyanDirector2026-05-014$707.40
$2.83kSell
Arthur F. RyanDirector2026-05-016$709.45
$4.26kSell
Arthur F. RyanDirector2026-05-012$710.87
$1.42kSell
Arthur F. RyanDirector2026-05-015$711.49
$3.56kSell
Arthur F. RyanDirector2026-05-011$712.09
$712.09Sell
Arthur F. RyanDirector2026-05-012$714.13
$1.43kSell
Arthur F. RyanDirector2026-05-015$701.76
$3.51kSell

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Net Insider Buy/Sell (L12M) Ownership

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REGN Shareholders

What type of owners hold Regeneron Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Sanofi34.83%36,518,618$25.61BInsider
Vanguard Group Inc8.66%9,075,153$6.37BInstitution
Blackrock Inc8.34%8,741,270$6.13BInstitution
State Street Corp4.45%4,660,808$3.27BInstitution
Dodge Cox4.38%4,596,358$3.22BInstitution
Jpmorgan Chase Co3.76%3,940,160$2.76BInstitution
Franklin Resources Inc2.44%2,560,004$1.80BInstitution
Geode Capital Management LLC2.40%2,519,540$1.77BInstitution
Fmr LLC2.21%2,319,566$1.63BInstitution
Nuveen LLC1.92%2,010,517$1.41BInstitution

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REGN vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
REGN68.82%31.18%Net SellingNet Selling
ARGX48.47%0.00%
ALNY82.35%17.65%Net SellingNet Selling
VRTX92.82%1.52%Net SellingNet Selling
ONC2.35%32.03%Net BuyingNet Buying

Regeneron Pharmaceuticals Stock Ownership FAQ

Who owns Regeneron Pharmaceuticals?

Regeneron Pharmaceuticals (NASDAQ: REGN) is owned by 85.12% institutional shareholders, 38.56% Regeneron Pharmaceuticals insiders, and 0.00% retail investors. Sanofi is the largest individual Regeneron Pharmaceuticals shareholder, owning 36.52M shares representing 34.83% of the company. Sanofi's Regeneron Pharmaceuticals shares are currently valued at $25.90B.

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